mirror of
https://github.com/minio/mc.git
synced 2025-11-12 01:02:26 +03:00
113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
/*
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* Minio Client (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"encoding/json"
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"net/http"
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"runtime"
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"time"
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"github.com/minio/cli"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/mc/pkg/probe"
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)
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// Updates container to hold updates json
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type Updates struct {
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BuildDate string
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Platforms map[string]string
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}
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const (
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mcUpdateURL = "https://dl.minio.io:9000/updates/updates.json"
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)
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// Help message.
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var updateCmd = cli.Command{
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Name: "update",
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Usage: "Check for new software updates",
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Action: runUpdateCmd,
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CustomHelpTemplate: `Name:
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mc {{.Name}} - {{.Usage}}
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USAGE:
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mc {{.Name}}{{if .Flags}} [ARGS...]{{end}}
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EXAMPLES:
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1. Check for new updates
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$ mc update
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`,
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}
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func doUpdateCheck() (string, *probe.Error) {
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clnt, err := url2Client(mcUpdateURL)
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if err != nil {
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return "Unable to create client: " + mcUpdateURL, err.Trace()
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}
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data, _, err := clnt.GetObject(0, 0)
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if err != nil {
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return "Unable to read: " + mcUpdateURL, err.Trace()
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}
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current, _ := time.Parse(time.RFC3339Nano, Version)
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if current.IsZero() {
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message := `Version is empty, must be a custom build cannot update. Please download releases from
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https://dl.minio.io:9000 for continuous updates`
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return message, nil
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}
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var updates Updates
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decoder := json.NewDecoder(data)
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if err := decoder.Decode(&updates); err != nil {
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return "Unable to parse update fields", probe.New(err)
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}
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latest, _ := time.Parse(http.TimeFormat, updates.BuildDate)
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if latest.IsZero() {
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return "No update available at this time", nil
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}
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mcUpdateURLParse := clnt.URL()
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if latest.After(current) {
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var updateString string
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if runtime.GOOS == "windows" {
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updateString = "mc.exe cp " + mcUpdateURLParse.Scheme + "://" + mcUpdateURLParse.Host + string(mcUpdateURLParse.Separator) + updates.Platforms[runtime.GOOS] + " .\\mc.exe"
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} else {
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updateString = "mc cp " + mcUpdateURLParse.Scheme + "://" + mcUpdateURLParse.Host + string(mcUpdateURLParse.Separator) + updates.Platforms[runtime.GOOS] + " ./mc"
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}
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msg, err := printUpdateNotify(updateString, "new", "old")
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if err != nil {
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return "", probe.New(err)
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}
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console.Println(msg)
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return "", nil
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}
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return "You are already running the most recent version of ‘mc’", nil
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}
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// runUpdateCmd -
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func runUpdateCmd(ctx *cli.Context) {
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if ctx.Args().First() == "help" {
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cli.ShowCommandHelpAndExit(ctx, "update", 1) // last argument is exit code
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}
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msg, err := doUpdateCheck()
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Fatal(err)
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// no msg do not print one
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if msg != "" {
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console.Infoln(msg)
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}
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}
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